Apply zig fmt to exercises

exercises/35_enums.zig

@@ -6,7 +6,7 @@
 //   1. Having to remember op codes by number is no good.
 //   2. We had to use "unreachable" because Zig had no way of knowing
 //      how many valid op codes there were.
-// 
+//
 // An "enum" is a Zig construct that lets you give names to numeric
 // values and store them in a set. They look a lot like error sets:
 //
@@ -16,11 +16,11 @@
 //
 // Let's use an enum in place of the numbers we were using in the
 // previous version!
-// 
+//
 const std = @import("std");
 
 // Please complete the enum!
-const Ops = enum{ ??? };
+const Ops = enum { ??? };
 
 pub fn main() void {
     const operations = [_]Ops{
@@ -29,16 +29,22 @@ pub fn main() void {
         Ops.inc,
         Ops.pow,
         Ops.dec,
-        Ops.dec
+        Ops.dec,
     };
 
     var current_value: u32 = 0;
 
     for (operations) |op| {
         switch (op) {
-            Ops.inc  => { current_value += 1; },
-            Ops.dec  => { current_value -= 1; },
-            Ops.pow  => { current_value *= current_value; },
+            Ops.inc => {
+                current_value += 1;
+            },
+            Ops.dec => {
+                current_value -= 1;
+            },
+            Ops.pow => {
+                current_value *= current_value;
+            },
             // No "else" needed! Why is that?
         }